diff --git a/htdocs/debugbar/class/DataCollector/DolConfigCollector.php b/htdocs/debugbar/class/DataCollector/DolConfigCollector.php
index 715d20abcf9..0920b140dbc 100644
--- a/htdocs/debugbar/class/DataCollector/DolConfigCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolConfigCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolConfigCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use \DebugBar\DataCollector\ConfigCollector;
 
diff --git a/htdocs/debugbar/class/DataCollector/DolExceptionsCollector.php b/htdocs/debugbar/class/DataCollector/DolExceptionsCollector.php
index 15d433fd050..38d2b971dde 100644
--- a/htdocs/debugbar/class/DataCollector/DolExceptionsCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolExceptionsCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolexceptionsCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use \DebugBar\DataCollector\ExceptionsCollector;
 
diff --git a/htdocs/debugbar/class/DataCollector/DolLogsCollector.php b/htdocs/debugbar/class/DataCollector/DolLogsCollector.php
index d21cdd6233f..44885296bae 100644
--- a/htdocs/debugbar/class/DataCollector/DolLogsCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolLogsCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolLogsCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use DebugBar\DataCollector\MessagesCollector;
 use Psr\Log\LogLevel;
diff --git a/htdocs/debugbar/class/DataCollector/DolMemoryCollector.php b/htdocs/debugbar/class/DataCollector/DolMemoryCollector.php
index b52ac8ff8c4..3372e89c2b6 100644
--- a/htdocs/debugbar/class/DataCollector/DolMemoryCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolMemoryCollector.php
@@ -1,17 +1,37 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolMemoryCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use \DebugBar\DataCollector\MemoryCollector;
 
 /**
  * DolMemoryCollector class
  */
-
 class DolMemoryCollector extends MemoryCollector
 {
 	/**
 	 *	Return value of indicator
 	 *
-	 *  @return void
+	 *  @return array
 	 */
 	public function collect()
 	{
@@ -28,7 +48,7 @@ class DolMemoryCollector extends MemoryCollector
 	/**
 	 *	Return widget settings
 	 *
-	 *  @return void
+	 *  @return array
 	 */
 	public function getWidgets()
 	{
diff --git a/htdocs/debugbar/class/DataCollector/DolMessagesCollector.php b/htdocs/debugbar/class/DataCollector/DolMessagesCollector.php
index 1fcf60c8ba6..733009e77c6 100644
--- a/htdocs/debugbar/class/DataCollector/DolMessagesCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolMessagesCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolMessagesCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use \DebugBar\DataCollector\MessagesCollector;
 
diff --git a/htdocs/debugbar/class/DataCollector/DolPhpCollector.php b/htdocs/debugbar/class/DataCollector/DolPhpCollector.php
index 3d6536bd258..bca2b2a7071 100644
--- a/htdocs/debugbar/class/DataCollector/DolPhpCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolPhpCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolPhpCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use DebugBar\DataCollector\DataCollector;
 use DebugBar\DataCollector\Renderable;
diff --git a/htdocs/debugbar/class/DataCollector/DolQueryCollector.php b/htdocs/debugbar/class/DataCollector/DolQueryCollector.php
index ca5aa284dd2..8cc55e34df9 100644
--- a/htdocs/debugbar/class/DataCollector/DolQueryCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolQueryCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolQueryCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use DebugBar\DataCollector\AssetProvider;
 use DebugBar\DataCollector\DataCollector;
diff --git a/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php b/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
index 938643802d5..4ddcac9af7c 100644
--- a/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use \DebugBar\DataCollector\RequestDataCollector;
 
diff --git a/htdocs/debugbar/class/DataCollector/DolTimeDataCollector.php b/htdocs/debugbar/class/DataCollector/DolTimeDataCollector.php
index ed5e979d539..d16622d329f 100644
--- a/htdocs/debugbar/class/DataCollector/DolTimeDataCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolTimeDataCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolTimeDataCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use \DebugBar\DataCollector\TimeDataCollector;
 
diff --git a/htdocs/debugbar/class/DataCollector/DolibarrCollector.php b/htdocs/debugbar/class/DataCollector/DolibarrCollector.php
index 3193fe26176..11cedbe2b93 100644
--- a/htdocs/debugbar/class/DataCollector/DolibarrCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolibarrCollector.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/DolibarrCollector.php
+ *	\brief      Class for debugbar collection
+ *	\ingroup    debugbar
+ */
 
 use DebugBar\DataCollector\AssetProvider;
 use DebugBar\DataCollector\DataCollector;
diff --git a/htdocs/debugbar/class/DebugBar.php b/htdocs/debugbar/class/DebugBar.php
index bf797e638f7..6181ad7cd60 100644
--- a/htdocs/debugbar/class/DebugBar.php
+++ b/htdocs/debugbar/class/DebugBar.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DebugBar.php
+ *	\brief      Class for debugbar
+ *	\ingroup    debugbar
+ */
 
 dol_include_once('/debugbar/class/autoloader.php');
 
diff --git a/htdocs/debugbar/class/TraceableDB.php b/htdocs/debugbar/class/TraceableDB.php
index 9f0a83fae3c..8e28b0c59bd 100644
--- a/htdocs/debugbar/class/TraceableDB.php
+++ b/htdocs/debugbar/class/TraceableDB.php
@@ -1,4 +1,25 @@
 <?php
+/* Copyright (C) 2023	Laurent Destailleur		<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *	\file       htdocs/debugbar/class/DataCollector/TraceableDB.php
+ *	\brief      Class for debugbar DB
+ *	\ingroup    debugbar
+ */
 
 require_once DOL_DOCUMENT_ROOT.'/core/db/DoliDB.class.php';